Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

74°F

23°C

Humidity	85%
Wind Speed	S 7 mph
Barometer	30.02 in (1015.7 mb)
Dewpoint	69°F (21°C)
Visibility	9.00 mi
Last update	14 Jul 10:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Grundy Center IA

Tonight
Low: 66 °F
Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 83 °F
Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 61 °F
Chance
T-storms
Thursday
High: 74 °F
Slight Chance
T-storms
Thursday Night
Low: 60 °F
Mostly Cloudy
Friday
High: 78 °F
Partly Sunny
Friday Night
Low: 65 °F
Mostly Cloudy
then Chance
T-storms

Detailed Forecast

Tonight

Clear, with a low around 66. South wind around 6 mph.

Tuesday

Sunny, with a high near 87. South wind 6 to 10 mph.

Tuesday Night

Mostly clear, with a low around 69. South southeast wind around 6 mph.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 74.

Thursday Night

Mostly cloudy, with a low around 60.

Friday

Partly sunny, with a high near 78.

Friday Night

A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

Saturday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

Saturday Night

A 30 percent chance of showers. Partly cloudy, with a low around 65.